/*
 * Copyright (C) 2018 xuexiangjys(xuexiangjys@163.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.xuexiang.xdlink.component.resolver;

import com.xuexiang.xdlink.component.IRecycle;
import com.xuexiang.xdlink.component.command.IHandleMessageCommand;
import com.xuexiang.xdlink.exception.ProtocolException;
import com.xuexiang.xdlink.exception.ResolverException;

/**
 * 消息解析器实现接口，主要将byte数组进行拆分解析成一个一个消息
 *
 * @author xuexiang
 * @since 2018/8/13 下午11:28
 */
public interface IMessageResolver extends IRecycle {
    /**
     * 解析数据，负责监控回调对象是否为空，具体解析工作由子类实现
     *
     * @param data 接收到的数据
     * @return 已经成功解析的数据长度
     * @throws ResolverException
     */
    int resolve(byte[] data) throws ResolverException;

    /**
     * 解析缓存数据
     *
     * @param command 处理消息的命令【调用protocol】
     * @throws ProtocolException
     */
    void handleMessage(IHandleMessageCommand command) throws ProtocolException;


}
